Display screen or portion thereof with transitional graphical user interface



The patent file contains at least one drawing executed in color. Copiesof this patent with color drawings will be provided by the Office uponrequest and payment of the necessary fee.

FIG. 1 is the first image in a sequence of a display screen or portionthereof with transitional graphical user interface showing our newdesign;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof;

FIG. 5 is the fifth image thereof; and,

FIG. 6 is the sixth image thereof.

The appearance of the transitional image sequentially transitionsbetween the images shown in FIGS. 1 to 6 . The process or period inwhich one image transitions to another image forms no part of theclaimed design.

The outer perimeter shown in dashed broken lines in the figuresillustrates a display screen or portion thereof and forms no part of theclaimed design. The remaining dashed broken lines in the figuresillustrate portions of the graphical user interface that form no part ofthe claimed design.

CLAIM The ornamental design for a display screen or portion thereof withtransitional graphical user interface, as shown and described.